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Old 03-20-2010, 07:39 PM
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Some help please!

I am new to the diesel world . I have had the truck for alittle over a year about 17k miles. I've had the high presure fuel pump repaired twice. i drove about 500 miles today and it ran fine till it went into regen - the cruise kicked off and wouldn't come back on ., The truck ran fine until I got on hill and got on it and it wouldn't get above 60 mph. The turbo psi gauge went to the middle and wouldn't go any higher , It sounded like I should have been going about 120 mph apprx 3500- 3750 rpms.I got home and feltt the big wastegate looking thing on the outer most radiator (I
presume its the intercooler ) I was very cool . Any thoughts ? I hope not another pump the last time they had it 31 days! I read some thought about cking the filters .I do that in the am
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Old 03-20-2010, 07:46 PM
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Quote:
Originally Posted by silverado08 View Post
I am new to the diesel world . I have had the truck for alittle over a year about 17k miles. I've had the high presure fuel pump repaired twice. i drove about 500 miles today and it ran fine till it went into regen - the cruise kicked off and wouldn't come back on ., The truck ran fine until I got on hill and got on it and it wouldn't get above 60 mph. The turbo psi gauge went to the middle and wouldn't go any higher , It sounded like I should have been going about 120 mph apprx 3500- 3750 rpms.I got home and feltt the big wastegate looking thing on the outer most radiator (I
presume its the intercooler ) I was very cool . Any thoughts ? I hope not another pump the last time they had it 31 days! I read some thought about cking the filters .I do that in the am
I don't have a 6.4, so i don't know what to tell you about the regen issue except to get a DPF delete and a custom tune. I will also suggest that if the pump dies again get yourself an Air Dog 2
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Old 03-21-2010, 06:00 PM
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Arrow

Ckd the water seperator and only it only dripped out (thoufght maybe the fileers are clogged or something) . Started it up ,took a short ride and it ran like a scalded dog, Have no idea maybe the egr stuck or something.

Last edited by silverado08; 03-22-2010 at 05:19 AM.
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Old 03-21-2010, 06:11 PM
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check codes. If the egr valve was sticking there will be a code. Plus there should be codes if it is something else.
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Old 03-22-2010, 05:00 AM
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It's probably the EGR valve. They don't always throw codes when they go. Did you have any smoke from the exhaust?
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Old 03-22-2010, 05:04 AM
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Couldn't tell it was dark ! I 'll ck to see if there are any codes today .
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Old 03-24-2010, 11:19 PM
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Fill with fuel, yaou can't drain the water separator with the tank at 1/4 or less...

HPFP problems could be water in the fuel, yes it could be defective manufacture but that is rare as rocking horse poo... Most likely poor diesel fuel quality/ water in fuel.
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Old 03-25-2010, 10:06 AM
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I had an imtermittent rough running problem on mine, just last week. This week, they replaced injector #4 when it failed the Power Balance Test. Codes P0266 and 2291. If it weren't under warranty, it would've cost $1097.99.
In areas with poor fuel quality, Ford requires that their diesel fuel additive be used to maintain warranty coverage. But, of course, they won't provide it for free. ;-)
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Old 03-26-2010, 06:29 PM
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They replaced the HPFP @ about 10k miles . Got it back and two days later it quit running . Apparently something with the wiring to the pump when the cab was put back. They also replaced #6 injector I think
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